 鲜花( 53)  鸡蛋( 0)
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5# manyu
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找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:& H' T, U# ` J: O/ j
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
+ c2 I# r' e7 d2 n2. supporting beams are a bit too far away from each other.7 d5 T' N5 I5 g
3. supporting beams are not level due to earth settlement.6 r' U, ^: x8 l- B; P. _7 ~
3 c' b7 I% _% _7 N5 f% EFor 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.7 K! v4 H" ]% R+ A2 I( k
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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